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La presente invención se refiere a una composición herbicida que contenga 1 a 4 libras de clomazono por galón de la fórmula y que tenga una volatilidad de clomazono menos del cincuenta por ciento de aquella de un concentrado emulsivo que contenga cuatro libras de clomazono por galón de la fórmula es preparado por una reacción interfacial de polimetileno polifenilo isocianato con un amino polifuncional seleccionado de etilenodiamino, dietilenotriamino, trietilenotetramino, 1,6 -hexanodiamino, y sus mezclas en una fase acuosa conteniendo opcionalmente desde 0.05 hasta 0.25 por ciento de peso de una goma viscosa de xantano modificadora/estabilizadora. Varias de dichas fórmulas y métodos de su preparación se encuentran descritos.The present invention relates to a herbicidal composition containing 1 to 4 pounds of clomazone per gallon of the formula and having a volatility of clomazone less than fifty percent of that of an emulsifying concentrate containing four pounds of clomazone per gallon of the formula. Formula is prepared by an interfacial reaction of polymethylene polyphenyl isocyanate with a polyfunctional amino selected from ethylene diamine, diethylenetriamine, triethylene tetramine, 1,6-hexanediamine, and mixtures thereof in an aqueous phase optionally containing from 0.05 to 0.25 weight percent of a viscous gum xanthan modifier / stabilizer. Several of said formulas and methods of their preparation are described.
ECSP9515871995-11-161995-11-16
LOW VOLATILITY FORMULAS OF CLOMAZONE
ECSP951587A
(en)
Polyisocyanate, process for preparing polyisocyanates, coating or adhesive composition, and uses of polyisocyanate and coating or adhesive compositions